<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <link rel="stylesheet" type="text/css" href="./index.css" />
  <script src="https://unpkg.com/pinyin-pro@3.12.0/dist/index.js"></script>
  <title>回到顶部--写代码的浩</title>
</head>
<body>
  <a class="go-top" href="#">回到顶部</a>
  <div class="box">1</div>
  <div class="box">2</div>
  <div class="box">3</div>
  <div class="box">4</div>
  <div class="box">5</div>
  <div class="box">6</div>
</body>
</html>
